#include <iostream>
#include "calc.h"

int main()
{
    int a = 10, b = 5;
    std::cout << "加法: " << add(a, b) << std::endl;
    std::cout << "减法: " << sub(a, b) << std::endl;
    std::cout << "乘法: " << mult(a, b) << std::endl;
    return 0;
}